1981 Ford Thunderbird Drivetrains

Essential Drivetrains for 1981 Ford Thunderbirds

Richmond Gear – RngPnn (Part No.69-0368-1)

RngPnn

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$577.99
RngPnn

Yukon Gear – 1350 U/Joint With Zerk Fitting (Part No.42010)

1350 U/Joint With Zerk Fitting

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$51.99
Yukon 1350 U/Joint with zerk fitting. 3.625″ snap ring span, 1.118″ cap diameter. Outside snap ring.
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Dorman – Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (sold by each) (Part No.615-075)

Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (sold by each)

from

$6.99
This spindle nut retainer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this spindle nut retainer matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this retainer is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each) (Part No.618-013)

Spindle Washer - I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each)

from

$1.99
This spindle nut washer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this spindle nut washer matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Yukon Gear – Yoke (Short, For Daytona Support) For Ford 9" With 28 Spline Pinion And A 1310 U/Joint Size (Part No.41056)

Yoke (Short, For Daytona Support) For Ford 9" With 28 Spline Pinion And A 1310 U/Joint Size

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$319.99
Yukon yoke (short, for Daytona support) for Ford 9″ with 28 spline pinion and a 1310 U/joint size. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring. 4″ length. All Yukon yokes come with a one year warranty against manufacturing defects.

Product Features:
  • Fits Ford 9″
  • 28 spline
  • 1310 u-joint size
  • 3.219″ snap ring span
  • 1.062″ cap diameter
  • Outside snap ring design
  • U-bolt style
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Yukon Gear – Flat Side Gear Without Hub For 8" And 9" Ford With 28 Splines (Part No.16164)

Flat Side Gear Without Hub For 8" And 9" Ford With 28 Splines

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$51.99
Flat side gear without hub for 8″ and 9″ Ford with 28 splines.

Product Features:
  • Side gear without hub
  • Fits Ford 8″ and 9″ Trac Loc positraction with 28 spline axles
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Yukon Gear – 8.8" Ford Tracloc Clutch Set (Carbon), Both Sides, 2003-2010 Cobra Svt (Part No.16104)

8.8" Ford Tracloc Clutch Set (Carbon), Both Sides, 2003-2010 Cobra Svt

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$342.99
8.8″ Ford TracLoc clutch set (Carbon), both sides, 2003-2010 Cobra SVT.

Product Features:
  • Clutch kit
  • Fits Ford 8.8″ trac Loc positraction
  • Carbon fiber clutches
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National – Bearings (Part No.FC-66998)

Bearings

from

$10.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Available in both caged design and full complement
  • Industry leading coverage
  • Professional technicians know they can depend on National
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Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

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$59.99
Product Features:
  • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
  • Interlocking design makes installation much easier
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Dorman – Prevailing Torque Spindle Nut M24-2.0 Hex Size 36mm (sold by each) (Part No.615-098)

Prevailing Torque Spindle Nut M24-2.0 Hex Size 36mm (sold by each)

from

$13.29
This spindle nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)

DEXRON - VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$14.49
Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.

Product Features:
  • Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
  • Enhanced anti-shudder protection for smooth shifting and maximum power transfer
  • Developed with anti-wear technology to help improve transmission durability
  • Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
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Driveworks – Taper Bearing Cup (Part No.S-HM-88610)

Taper Bearing Cup

from

$6.49
Value-priced bearing meets all cataloged application requirements.

Product Features:
  • Brand may vary by location
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Motive Gear – Differential Crush Sleeve (Part No.B7A4662A)

Differential Crush Sleeve

from

$3.29
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

Differential Shaft Lock Bolt

from

$5.99
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models.
  • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Yukon Gear – Cover Bolt For Ford 7.5", 8.8" & 9.75" (Part No.33554)

Cover Bolt For Ford 7.5", 8.8" & 9.75"

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$6.99
Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40″ to 43.5″) Full float axle (8×3.96″ ). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.

Product Features:
  • 35 spline
  • 8 x 3.96″ bolt pattern
  • Cut to length design fits 40″-43.5″ applications
  • Fits Dana Spicer 60, 70 and 80
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Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.SS9)

Differential Pinion Solid Spacer Kit w/Shims

from

$45.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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FAG US – TAPERED ROLLER BEARI (Part No.KT47)

TAPERED ROLLER BEARI

from

$28.99
TAPERED ROLLER BEARI

Yukon Gear – The Carrier Bearing Puller (Part No.56072)

The Carrier Bearing Puller

from

$883.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

Product Features:
  • Carrier bearing puller
  • Works with an impact gun to safely and easliy remove carrrier bearings
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Powertrax – Lock Right Locker (Part No.1830-LR)

Lock Right Locker

from

$444.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.
  • Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.
  • Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.
  • Powertrax® = Extreme Traction Systems!
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    Spicer – Universal Joint (Part No.5-1310X)

    Universal Joint

    from

    $35.99
    You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you’re getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
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    Yukon Gear – Master Overhaul Kit For Ford Daytona 9" Lm603011 Differential (Part No.14058)

    Master Overhaul Kit For Ford Daytona 9" Lm603011 Differential

    from

    $339.99
    Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses carrier bearings & races with an I.D. of 1.780″ and an O.D. of 3.062″. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pilot bearing, pinion seal, complete shim kit, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, and marking compound with brush. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.

    Product Features:
    • Fits Ford 9″ with LM603011 carrier races and Daytona pinion support
    • Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, pilot bearing, thread locker, marking compound with brush, and gasket.
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    National – Bearings (Part No.A-17)

    Bearings

    from

    $15.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Yukon Gear – Pinion Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33297)

    Pinion Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford

    from

    $8.99
    Pinion gear thrust washer (0.750″ shaft) for 8.8″ Ford.

    Product Features:
    • Pinion gear thrust washer
    • Fits Ford 8.8″
    • 0.750″ I.D.
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    Motive Gear – Differential Pinion Shim Kit (Part No.WAA4663)

    Differential Pinion Shim Kit

    from

    $15.99
    All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
    See More

    Yukon Gear – Trac Loc Ring Gear Bolt Washer For 8" And 9" Ford (Part No.33245)

    Trac Loc Ring Gear Bolt Washer For 8" And 9" Ford

    from

    $3.99
    Trac Loc ring gear bolt washer for 8″ and 9″ Ford.

    Product Features:
    • Ring gear bolt for Ford 8″ and 9″
    • For Trac Loc positraction applications only
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    Yukon Gear – Standard Open Spider Gear Kit For 8.8" Ford With 31 Spline Axles (Part No.16021)

    Standard Open Spider Gear Kit For 8.8" Ford With 31 Spline Axles

    from

    $299.99
    Yukon standard open spider gear kit for 8.8″ Ford with 31 spline axles and 7/8″ pin. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

    Product Features:
    • Spider gear kit
    • Fits Ford 8.8″ with 31 spline axles
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
    • 0.875″ cross pin shaft diameter
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    Yukon Gear – Pinion Nut (Part No.33154)

    Pinion Nut

    from

    $7.99
    Pinion nut for Ford 7.5″, 8″, 8.8″, 9 3/8″ & 9″. 1 1/6″ socket, 3/4″ x 20 thread.

    Product Features:
    • Pinion nut for Ford 7.5″, 8″ and 9″
    • 3/4″ x 20 thread
    • 1 1/6″ socket
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    Dorman – Help – Driveshaft Flange Bolts (Part No.80992)

    Driveshaft Flange Bolts

    from

    $20.29
    This drive shaft bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this engine mount bolt matches the fit and function of the factory part on specified years, makes and models.
    • Ideal solution – this drive shaft bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    Upgrade your 1981 Ford Thunderbird with Top-Quality Drivetrains

    When it comes to maintaining or upgrading your 1981 Ford Thunderbird, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Ford or enhancing its overall performance, Drivetrains are key to keeping your Thunderbird functioning at its best. At Advance Auto Parts, we offer a wide selection of 135 Drivetrains for the 1981 Ford Thunderbird, designed to meet your needs without breaking the bank. From Drive Shafts and Axle replacements to Universal Joints upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

    Affordable Prices and Wide Selection

    Shopping for Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 1981 Ford Thunderbird at great prices. Our Drivetrains inventory for this model ranges from just $0.99 to $1,566.99, with an average price of $121.54. Our 135 Drivetrains in stock come from 16 trusted brands, so you’re sure to find the right part for your 1981 Ford Thunderbird without overspending.

    Top Brands and High Customer Satisfaction

    Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1981 Ford Thunderbird, we stock popular OEM and aftermarket Drivetrains from top names like Spicer, Moog, Driveworks, and more. Spicer Drivetrains start at just $28.99 and boast an impressive 5 stars average rating from customers. Moog and Driveworks also bring quality to the table, with Drivetrains available starting at $4.79, and at an average 4 stars rating. With 946 customer reviews and counting, our 1981 Ford Thunderbird Drivetrains have a strong track record of reliability, ensuring you can trust your purchase.

    Explore Related Parts and More

    While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 1981 Ford Thunderbird is always ready to roll. We’re committed to providing you with everything you need to keep your Thunderbird in top shape, all in one place. Start shopping confidently below for your 1981 Ford Thunderbird!

    Best-Selling Drive Shafts and Axles for 1981 Ford Thunderbirds

    Enhance the driving experience in your Ford with 21 quality Drive Shafts and Axle components, starting at $1.99.

    Driveworks – Oil Seal (Part No.S-8660S)

    Oil Seal

    from

    $5.49
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
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    Dorman – Help – Driveshaft Flange Bolts (Part No.80992)

    Driveshaft Flange Bolts

    from

    $20.29
    This drive shaft bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this engine mount bolt matches the fit and function of the factory part on specified years, makes and models.
    • Ideal solution – this drive shaft bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    Spicer – Universal Joint (Part No.5-1310X)

    Universal Joint

    from

    $35.99
    You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you’re getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
    See More

    National – Bearings (Part No.FC-66998)

    Bearings

    from

    $10.79
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Available in both caged design and full complement
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    National – Shaft Repair Sleeve (Part No.99174)

    Shaft Repair Sleeve

    from

    $45.49
    National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

    Product Features:
    • Designed to repair damaged, grooved or worn shafts
    • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
    • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
    • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
    • Easy to install with removable flange and installation tool
    • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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    National – Multi Purpose Seal (Part No.714569)

    Multi Purpose Seal

    from

    $14.49
    National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

    Product Features:
    • Low swell in hydrocarbon fluids
    • Design type: spring loaded; multi-lip
    • Provides good low temperature capability
    • Temperature range: -40°F to 225°F; -40°C to 107°C
    • Delivers quality and reliable performance for every type of repair
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    National – Bearings (Part No.A-17)

    Bearings

    from

    $15.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Driveworks – Axle Repair Bearing (Part No.S-RP-5707)

    Axle Repair Bearing

    from

    $16.49
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    Yukon Gear – R1563Tav Rear Axle Bearing And Seal Kit (Part No.10004)

    R1563Tav Rear Axle Bearing And Seal Kit

    from

    $42.99
    Yukon axle bearing & seal kits are specially designed for each application & use all high quality bearings & seals. R1563TAV axle bearing and seal kit, TorringtonBrand, 2.250″ OD, 1.400″ ID. This axle bearing & seal kit services one side only.

    Product Features:
    • Includes axle bearing and seal
    • Services one side
    • Torrington Brand
    • 2.250″ O.D.
    • 1.400″ I.D.
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    Yukon Gear – Ford 7.5" C/Clip, Tracloc & Standard Open (Part No.33080)

    Ford 7.5" C/Clip, Tracloc & Standard Open

    from

    $8.99
    Ford 7.5″ C/clip, TracLoc & standard Open.

    Product Features:
    • c-clip for Ford 7.5″
    • Fits standard open and Trac Loc applications
    • Not compatible with Auburn Gear positraction
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    Yukon Gear – The Carrier Bearing Puller (Part No.56072)

    The Carrier Bearing Puller

    from

    $883.99
    The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.

    Product Features:
    • Carrier bearing puller
    • Works with an impact gun to safely and easliy remove carrrier bearings
    See More

    FAG US – AXLE SHAFT REPAIR BE (Part No.DR0148K)

    AXLE SHAFT REPAIR BE

    from

    $64.99
    AXLE SHAFT REPAIR BE

    Yukon Gear – 7.5" C/Clip, Ag Positraction (Part No.33079)

    7.5" C/Clip, Ag Positraction

    from

    $47.99
    7.5″ C/clip, AG positraction

    Product Features:
    • C-clip
    • Fits Ford 7.5″ with Auburn Gear positraction
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    Spicer – SPICER U-JOINT (Part No.5-1310-1X)

    SPICER U-JOINT

    from

    $44.99
    SPICER U-JOINT

    FAG US – AXLE BEARING (Part No.FC67147)

    AXLE BEARING

    from

    $36.49
    AXLE BEARING

    FAG US – CONE (Part No.KL68149)

    CONE

    from

    $13.99
    CONE

    FAG US – BEARING (Part No.BR1682)

    BEARING

    from

    $12.49
    BEARING

    Driveworks – Axle Shaft Seal (Part No.S-714569)

    Axle Shaft Seal

    from

    $11.99
    Product Features:
    • Brand may vary by location
    See More

    Yukon Gear – Axle Seal For 5707 Or 1563 Bearing (Part No.30196)

    Axle Seal For 5707 Or 1563 Bearing

    from

    $6.99
    Axle seal for 5707 OR 1563 bearing.Yukon Mighty seal.

    Product Features:
    • Rear axle seal
    • 2.250″ O.D.
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    FAG US – SHAFT SEAL (Part No.SS2468)

    SHAFT SEAL

    from

    $5.19
    SHAFT SEAL

    Pro-King – Axle Seal (Part No.721A074)

    Axle Seal

    from

    $1.99
    Pro-King is the leading supplier of transmission and driveline products in the aftermarket.

    Product Features:
    • All products are designed to meet or exceed OE quality, form, fit and funtion.
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    Most Popular 1981 Ford Thunderbird Universal Joints

    Customize your Ford with 8 Universal Joints products like U-Joints, all priced under $32.99.

    Spicer – Universal Joint (Part No.5-153X)

    Universal Joint

    from

    $28.99
    When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles.
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    MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.369)

    Greaseable Premium Universal Joint

    from

    $19.99
    Backed by superior materials and rigorous testing, MOOG Heavy Duty universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

    Product Features:
    • BUILT TO LAST — Rugged design specifically engineered for fleets, off-highway and commercial vehicles
    • STRONG AND DURABLE — Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
    • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
    • GREASEABLE DESIGN — Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
    • INHIBITS PREMATURE WEAR — Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
    • RELIABLE PERFORMANCE — Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
    • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
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    MOOG Driveline Products – Non-Greaseable Super Strength Universal Joint (Part No.269)

    Non-Greaseable Super Strength Universal Joint

    from

    $32.99
    Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

    Product Features:
    • BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
    • COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
    • CORROSION PROTECTION — Exclusive MICRO SHIELDΓ┐ó coating protects against rust and corrosion
    • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
    • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
    • STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
    See More

    MOOG Driveline Products – Greaseable Super Strength Universal Joint (Part No.280)

    Greaseable Super Strength Universal Joint

    from

    $32.99
    Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

    Product Features:
    • BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
    • COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
    • CORROSION PROTECTION — Exclusive MICRO SHIELDΓ┐ó coating protects against rust and corrosion
    • GREASABLE DESIGN — Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
    • KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
    • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
    • STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
    See More

    Driveworks – Universal Joint (Part No.DW-369)

    Universal Joint

    from

    $15.99
    DRIVEWORKS Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. DRIVEWORKS Universal Joints are constructed from quality materials for extended durability. DRIVEWORKS Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).

    Product Features:
    • The cross is hot forged for the higher torque and horsepower
    • The bearing cups are made by cold forging, having higher strength and better rigidity
    • Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
    • Lubrication grooves designed to ensure grease penetration to entire journal and needle bearings
    • Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
    • Snap rings are held to strict tolerances to ensure proper cup position and retention
    • Nitrile rubber seals to optimize grease retention and reduce contamination
    See More

    Neapco – Universal Joint (Part No.1-0154)

    Universal Joint

    from

    $6.49
    Universal Joint
    See More

    Neapco – Universal Joint (Part No.1-5900)

    Universal Joint

    from

    $5.29
    Universal Joint
    See More

    MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.379)

    Greaseable Premium Universal Joint

    from

    $25.99
    Backed by superior materials and rigorous testing, MOOG Premium universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.

    Product Features:
    • COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
    • GREASABLE DESIGN — Greasable u-joints allow for new grease to flush out contaminants and moisture
    • KEEPS DIRT OUT — Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
    • RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
    • STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
    • Cross forging shape and flash provide easier installation and high strength
    See More

    Top Picks for 1981 Ford Thunderbird Differentials

    Upgrade Ford Thunderbirds with top-quality Differentials parts, including 96 OEM and aftermarket selections for your 1981 model.

    Motive Gear – Differential Pinion Shim Kit (Part No.1100)

    Differential Pinion Shim Kit

    from

    $7.49
    High-quality Differential Component Shim

    Product Features:
    • SHIM KIT FITS-8.25-F7.5-AMC20-GM0
    See More

    Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R7.5FRMK)

    Differential Master Bearing Kit - Koyo

    from

    $112.99
    Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv

    Product Features:
    • FORD 7.5″ MASTER BEARING KIT
    See More

    Powertrax – Lock Right Locker (Part No.1830-LR)

    Lock Right Locker

    from

    $444.99
    The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.Powertrax® = Extreme Traction Systems!
    See More

    National – Bearings (Part No.M802048)

    Bearings

    from

    $23.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)

    Differential Shaft Lock Bolt

    from

    $5.99
    This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models.
    • Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    Felpro – Differential Cover Gasket (Part No.RDS 55393)

    Differential Cover Gasket

    from

    $6.49
    Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

    Product Features:
    • Meets or exceeds all original equipment specifications
    • Application specific design to ensure a perfect fit
    • Unsurpassed quality you can trust
    • Validated for fit, form and function
    • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
    See More

    Motive Gear – Differential Pinion Nut (Part No.379570S)

    Differential Pinion Nut

    from

    $6.49
    All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
    See More

    National – Shaft Repair Sleeve (Part No.99157)

    Shaft Repair Sleeve

    from

    $37.49
    National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

    Product Features:
    • Designed to repair damaged, grooved or worn shafts
    • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
    • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
    • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
    • Easy to install with removable flange and installation tool
    • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
    See More

    Driveworks – Oil Seal (Part No.S-3604)

    Oil Seal

    from

    $4.79
    Value-priced seal meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)

    3 Qt - 80W90 Conventional Gear Oil With Posi Additive

    from

    $57.99
    3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.

    Product Features:
    • Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
    See More

    Yukon Gear – Cover Bolt For Ford 7.5", 8.8" & 9.75" (Part No.33554)

    Cover Bolt For Ford 7.5", 8.8" & 9.75"

    from

    $6.99
    Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40″ to 43.5″) Full float axle (8×3.96″ ). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.

    Product Features:
    • 35 spline
    • 8 x 3.96″ bolt pattern
    • Cut to length design fits 40″-43.5″ applications
    • Fits Dana Spicer 60, 70 and 80
    See More

    Dorman – Help – Pinion Crush Sleeves (Part No.81056)

    Pinion Crush Sleeves

    from

    $5.99
    This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.

    Product Features:
    • Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles.
    • Required replacement – when servicing the differential
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    Driveworks – Tapered Roller Bearing (Part No.S-M-802048)

    Tapered Roller Bearing

    from

    $16.99
    Product Features:
    • Brand may vary by location
    See More

    Driveworks – Taper Bearing Cup (Part No.S-LM-501314)

    Taper Bearing Cup

    from

    $7.29
    Value-priced bearing meets all cataloged application requirements.

    Product Features:
    • Brand may vary by location
    See More

    Yukon Gear – Crush Sleeve (Part No.33085)

    Crush Sleeve

    from

    $9.99
    Crush Sleeve for Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9 3/8″, 9″ & 9.75″. .480″ long.

    Product Features:
    • Crush sleeve for AMC Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9″ and 9.75″
    • 0.480″ tall
    See More

    Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)

    Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25"

    from

    $8.99
    Replacement outer oil slinger for Ford 7.5″, 8.8″, 9″, 10.25″, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.

    Product Features:
    • Outer oil slinger for Ford 10.25″, 7.5″, 8.8″ and 9″ also Jeep JK and Nissan Titan rear
    See More

    Yukon Gear – Ford 7.5" & 8.8" Ring Gear Bolt, Standard Open & Tracloc (Part No.33053)

    Ford 7.5" & 8.8" Ring Gear Bolt, Standard Open & Tracloc

    from

    $5.99
    Ford 7.5″ & 8.8″ ring gear bolt, standard Open & TracLoc. 7/16″ x 20.

    Product Features:
    • Ring gear bolt for Ford 7.5″ and 8.8″
    • 7/16″ x 20
    See More

    Yukon Gear – Pinion Nut (Part No.33154)

    Pinion Nut

    from

    $7.99
    Pinion nut for Ford 7.5″, 8″, 8.8″, 9 3/8″ & 9″. 1 1/6″ socket, 3/4″ x 20 thread.

    Product Features:
    • Pinion nut for Ford 7.5″, 8″ and 9″
    • 3/4″ x 20 thread
    • 1 1/6″ socket
    See More

    Motive Gear – Ring Gear Bolt (Part No.D5AZ4216A)

    Ring Gear Bolt

    from

    $1.99


    Product Features:
    • Ford 7.5″, 8.8″ Ring Gear Bolt
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)

    Redline Synthetic "Shock Proof" Oil With Positraction Additive - 4 Quarts

    from

    $148.99
    Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
    See More

    USA Standard Gear – Standard Spider Gear Set For Ford 7.5" (Part No.39014)

    Standard Spider Gear Set For Ford 7.5"

    from

    $156.99
    Spindle nut washer for Dana 28, ’92 & down. This replaces Spicer part number 40075.

    Product Features:
    • Spider gear kit
    • Fit Ford 7.5″ open differential
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
    See More

    Yukon Gear – Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25" (Part No.55009)

    Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25"

    from

    $27.99
    8.25″ IFS, 8.5″, 12P, 7.5″ F, 8.8″ F, 8.25″ Chrysler pinion shim kit.

    Product Features:
    • Pinion depth shims for GM 8.25″ IFS, 8.5″, 8.6″, 12 bolt passenger car, Ford 7.5″ and 8.8″, Chrysler 8.25″
    See More

    Yukon Gear – DiffrlCover (Part No.32364)

    DiffrlCover

    from

    $99.99
    DiffrlCover

    Motive Gear – Differential Crush Sleeve (Part No.B7A4662A)

    Differential Crush Sleeve

    from

    $3.29
    All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)

    Redline Synthetic "Shock Proof" Oil - 3 Quarts

    from

    $99.99
    Redline Synthetic “Shock Proof” Oil. 3 Quarts.

    Product Features:
    • Includes three quarts of Redline Shockproof oil
    See More

    Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)

    Redline Synthetic "Shock Proof" Oil - 4 Quarts

    from

    $137.99
    Redline Synthetic “Shock Proof” Oil. 4 Quarts.

    Product Features:
    • Includes four quarts of Redline Shockproof oil
    See More

    Yukon Gear – Crush Sleeve Eliminator Kit For Ford 8.8" & 7.5" (Part No.55040)

    Crush Sleeve Eliminator Kit For Ford 8.8" & 7.5"

    from

    $96.99
    2 piece solid spacer for Ford 8.8 and 7.5.

    Product Features:
    • Crush sleeve eliminator kit for Ford 7.5″ and 8.8″
    See More

    Motive Gear – Differential Carrier Gear Kit (Part No.F7.5BI)

    Differential Carrier Gear Kit

    from

    $159.99


    Product Features:
    • INTERNALS FORD 7.5
    See More

    Yukon Gear – Chrome Cover For 7.5" Ford (Part No.32008)

    Chrome Cover For 7.5" Ford

    from

    $42.99
    Chrome cover for 7.5″ Ford.

    Product Features:
    • Fits Ford 7.5″
    • Chrome
    See More

    Motive Gear – Axle Shaft (Part No.MG1231)

    Axle Shaft

    from

    $143.99
    The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.

    Product Features:
    • AXLE SHAFT 8.8″ 28 SPL. 29 1/4″ 79-93 MUSTANG L & R
    See More

    Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)

    8.5" & 8.2" GM Carrier Installation Kit

    from

    $109.99
    Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.

    Product Features:
    • Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
    • Includes carrier bearings and races and “super” carrier shim kit
    See More

    Spectre – Differential Cover (Part No.6073)

    Differential Cover

    from

    $52.99
    Spectre’s Differential Covers are made to OEM specifications and are triple chrome plated for a lasting shine. Designed to protect the intricate moving parts of the differential, Spectre’s covers add an extra layer of protection to the vehicle’s underside. Featuring a 10-bolt design and fits the following vehicles with 7.5 inch ring gears: 1979-2003 Ford Mustang/Capri V8, 1982-2003 Ford Ranger, 1984-1997 Ford Aerostar, 1982-1992 Ford Bronco II, and 1994-2003 Mazda 2300/3000 differentials. Includes 10 SAE standard chrome bolts for installation. You’ll need to supply your own bolts if your application requires metric bolts.

    Product Features:
    • 10 chrome 5/16 inch -18 x 3/4 inch differential cover bolts
    • 10-bolt design
    • Triple chrome plated for a lasting shine
    • Precision engineered for a perfect fit
    See More

    Yukon Gear – Trac Loc Spring For Ford 7.5" (Part No.33514)

    Trac Loc Spring For Ford 7.5"

    from

    $67.99
    The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 in

    Product Features:
    • Trac Loc spring
    • Fits Ford 7.5″
    See More

    Yukon Gear – Un-Notched Cross Pin Shaft For 7.5" Ford – Oem, Not Auburn Gear (Part No.33330)

    Un-Notched Cross Pin Shaft For 7.5" Ford - Oem, Not Auburn Gear

    from

    $36.99
    Un-notched cross pin shaft for 7.5″ Ford. OEM, not Auburn gear.

    Product Features:
    • Cross pin shaft for Ford 7.5″
    • 3.45 and down ratios only
    See More

    Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4104)

    Differential Pinion Solid Spacer Kit w/Shims

    from

    $10.49


    Product Features:
    • SOLID SPACER FORD 8.8″ & 9″
    See More

    Yukon Gear – Standard Open & Tracloc Pinion Gear And Thrust Washer For 7.5" Ford (Part No.33296)

    Standard Open & Tracloc Pinion Gear And Thrust Washer For 7.5" Ford

    from

    $10.99
    Standard Open & TracLoc pinion gear thrust washer for 7.5″ Ford.

    Product Features:
    • Pinion gear thrust washer
    • Fits Ford 7.5″
    See More

    Motive Gear – Differential Ring and Pinion (Part No.F7.5-308)

    Differential Ring and Pinion

    from

    $238.99


    Product Features:
    • FRD 10BL 7.5 R/P 3.08 MG
    See More

    Motive Gear – Differential Ring and Pinion (Part No.F7.5-373)

    Differential Ring and Pinion

    from

    $237.99


    Product Features:
    • FRD 10BL 7.5 R/P 3.73 MG
    See More

    Motive Gear – Differential Ring and Pinion (Part No.F7.5-410)

    Differential Ring and Pinion

    from

    $233.99


    Product Features:
    • FRD 10BL 7.5 R/P 4.10 MG
    See More

    Dorman – Rear Axle Shaft, Left or Right (Part No.630-228)

    Rear Axle Shaft, Left or Right

    from

    $242.99
    Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.

    Product Features:
    • Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models.
    • Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications.
    • Durable construction – designed to rigorous standards and tested to ensure performance
    • Trustworthy solution – backed by team of engineers and quality control specialists in the United States
    See More

    Yukon Gear – Pinion Install Kit For Ford 7.5" Differential (Part No.13039)

    Pinion Install Kit For Ford 7.5" Differential

    from

    $184.99
    Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.

    Product Features:
    • Fits Ford 7.5″
    • Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.
    See More

    USA Standard Gear – Master Overhaul Kit for the Ford 7.5 Differential (Part No.37027)

    Master Overhaul Kit for the Ford 7.5 Differential

    from

    $199.99
    USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.

    Product Features:
    • Fits Ford 7.5″
    • Uses Koyo bearings and races
    • Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
    See More

    Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)

    Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5"

    from

    $59.99
    Product Features:
    • Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
    • Interlocking design makes installation much easier
    See More

    ARP Auto Racing – For Use With Ford 8.8 And 9" Using 3/4"Socket, 0.75"L Under Head, 7/16"-20 (Part No.250-3003)

    For Use With Ford 8.8 And 9" Using 3/4"Socket, 0.75"L Under Head, 7/16"-20

    from

    $34.99
    The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP have developed the Pro Series ring gear bolts. they are forged from premium grade 8740 chrome moly steel and are heat treated to a nominal rating of 200,000 PSI tensile strength. Specially hardened, precision ground washers are included where required. Available to fit most any ring gear setup ranging from popular 9 Inch Ford GM 10 and 12 bolt rear ends to the beefy strange differentials found in top fuel and funny car applications.

    Product Features:
    • Forged From Premium Grade 8740 Chrome Moly Steel
    • Heat Treated
    • Nominally Rated At 200,000 Psi Tensile Strength
    • Specially Hardened, Precision Ground Washers
    • 0.75″ Underhead Length
    • 200,000 PSI
    • Sold As A Set
    See More

    Yukon Gear – 7.5" Ford Notched Cross Pin Shaft (Part No.33430)

    7.5" Ford Notched Cross Pin Shaft

    from

    $84.99
    7.5″ Ford notched cross pin shaft. Not Auburn gear. This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.

    Product Features:
    • Notched cross pin shaft for Ford 7.5″
    • 3.73 and up ratios
    • Not compatible with Spartan Locker or Powertrax Lock Right
    See More

    Yukon Gear – Tracloc Clutch Set (Two Sides) For 7.5" Ford (Part No.16013)

    Tracloc Clutch Set (Two Sides) For 7.5" Ford

    from

    $264.99
    TracLoc clutch set (two sides) for 7.5″ Ford.

    Product Features:
    • Clutch kit
    • Fit Ford 7.5″ Trac Loc positraction
    See More

    Yukon Gear – Standard Open Spider Gear Kit For 7.5" Ford With 28 Spline Axles (Part No.16014)

    Standard Open Spider Gear Kit For 7.5" Ford With 28 Spline Axles

    from

    $214.99
    Yukon standard open spider gear kit for 7.5″ Ford with 28 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.

    Product Features:
    • Spider gear kit
    • Fit Ford 7.5″ open differential
    • Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
    See More

    Yukon Gear – Bearing Race Driver Set, 21 Piece (Part No.56030)

    Bearing Race Driver Set, 21 Piece

    from

    $1566.99
    21 Piece bearing race driver set. (Box wt: 140lbs) No return.

    Product Features:
    • Bearing race driver set
    • 21 pieces
    • All steel construction
    See More

    In-Demand Spindles for 1981 Ford Thunderbirds

    Select from 5 premium Spindles parts for your 1981 Ford Thunderbird, with prices ranging from $1.99 to $6.99.

    Dorman – Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (Part No.615-075.1)

    Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In.

    from

    $3.29
    This spindle nut retainer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this spindle nut retainer matches the fit and function of the factory part on specified years, makes and models.
    • Ideal solution – this retainer is a reliable replacement for an original part that is missing or has failed due to fatigue
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    Dorman – Standard Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (Sold by each) (Part No.615-074)

    Standard Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (Sold by each)

    from

    $4.49
    This spindle nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models.
    • Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    Dorman – Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (sold by each) (Part No.615-075)

    Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (sold by each)

    from

    $6.99
    This spindle nut retainer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this spindle nut retainer matches the fit and function of the factory part on specified years, makes and models.
    • Ideal solution – this retainer is a reliable replacement for an original part that is missing or has failed due to fatigue
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    Dorman – Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (Part No.618-013.1)

    Spindle Washer - I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In.

    from

    $4.29
    This spindle nut washer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this spindle nut washer matches the fit and function of the factory part on specified years, makes and models.
    • Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    Dorman – Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each) (Part No.618-013)

    Spindle Washer - I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each)

    from

    $1.99
    This spindle nut washer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

    Product Features:
    • Direct replacement – this spindle nut washer matches the fit and function of the factory part on specified years, makes and models.
    • Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
    • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
    • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
    See More

    Most Sold 1981 Ford Thunderbird Transfer Cases

    Explore our best-selling Ford parts for the 1981 Thunderbird among 5 OEM and aftermarket options starting from $10.49.

    National – Bearings (Part No.M88048)

    Bearings

    from

    $15.99
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    National – Bearings (Part No.M88010)

    Bearings

    from

    $10.49
    National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

    Product Features:
    • Premium bearing design matches OEM specifications
    • Precision manufactured using premium-grade steel for outstanding durability and performance
    • Crowned raceways and rollers to ensure even load distribution for maximum life
    • Industry leading coverage
    • Professional technicians know they can depend on National
    See More

    National – Shaft Repair Sleeve (Part No.99199)

    Shaft Repair Sleeve

    from

    $37.99
    National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

    Product Features:
    • Designed to repair damaged, grooved or worn shafts
    • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
    • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
    • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
    • Easy to install with removable flange and installation tool
    • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
    See More

    FAG US – BEARING CONE (Part No.KLM12749)

    BEARING CONE

    from

    $13.29
    BEARING CONE

    FAG US – CUP (Part No.M88010)

    CUP

    from

    $11.29
    CUP

    Top-Rated Drivetrains Brands For Your 1981 Ford Thunderbird

    Shop for the best-rated brands offering Drivetrains and other products for your 1981 Ford Thunderbirds. Below you’ll find some of our best rated Drivetrains from Spicer, Moog, and Driveworks, and more. Drivetrains from these brands that fit a 1981 Thunderbird start at just $4.79 and are rated as high as 5 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.

    Popular Spicer 1981 Ford Thunderbird Drivetrains

    When it comes to maintaining or upgrading your 1981 Ford Thunderbird, using quality Drivetrains is essential to ensure durability and a perfect fit. Spicer ticks all of those boxes. We offer a wide selection of Spicer Drivetrains, specifically designed for the 1981 Ford Thunderbird. With over 3 Spicer brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $28.99, with an average price of just $36.66. Plus, with over 14 customer reviews and an average rating of 5 stars, you can trust that our Spicer Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

    SPICER U-JOINT
    from
    $44.99
    This product is not rated

    SPICER U-JOINT

    “”

    Universal Joint
    from
    $35.99

    (2)

    Universal Joint

    “I use this on a 4×4 off-road. It’s always a tough trade-off between the greaseable and non-greasable u-joints. The non-greaseable is stronger. The”

    Universal Joint
    from
    $28.99

    (12)

    Universal Joint

    “No problems with Installation and appears to be quality part! Great for my old School Street Car!”

    Popular Moog 1981 Ford Thunderbird Drivetrains

    Moog auto parts is one of the highest quality Drivetrain brands in the market. Any 1981 Ford Thunderbird owner should feel confident when installing genuine Moog parts in their vehicle. To ensure the best fit and performance for your 1981 Thunderbird, Advance Auto Parts carries a full inventory of 4 Moog Drivetrains. Plus you will be keeping your Ford in peak condition while saving money because prices on these Moog Drivetrains range from $19.99 to $32.99, plus, with more than 147 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Drivetrains below will deliver on both quality and value.

    Greaseable Premium Universal Joint
    from
    $19.99

    (82)

    Greaseable Premium Universal Joint

    “Great product”

    Non-Greaseable Super Strength Universal Joint
    from
    $32.99

    (28)

    Non-Greaseable Super Strength Universal Joint

    “installed as needed”

    Greaseable Premium Universal Joint
    from
    $25.99
    This product is not rated

    Greaseable Premium Universal Joint

    “”

    FAQs for 1981 Ford Thunderbird Drivetrains

    Which Drivetrains are best-sellers for 1981 Ford Thunderbirds?

    Out of 135 Drivetrains that fit 1981 Ford Thunderbirds, the following parts are the top sellers:

    What’s the price range for 1981 Ford Thunderbird Drivetrains?

    Drivetrain prices for the 1981 Ford Thunderbird start at $0.99 and go up to $1,566.99 for the most premium parts.

    What’s the average price of a Drivetrain for a 1981 Ford Thunderbird?

    The average price for Drivetrains for the 1981 Ford Thunderbird is $121.54. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.

    Does Advance Auto Parts sell Drivetrains for other Ford Thunderbird model years?

    Yes, we currently carry Drivetrains for 46 model years of Ford Thunderbirds between 1955 and 2005. Drivetrains are bought most frequently for the following model years: 2005, 2004, 2003, 2002, 1997, 1996, 1995, 1994, and 1993.

    What are the cheapest Drivetrains for my 1981 Ford Thunderbird?

    The cheapest 1981 Ford Thunderbird Drivetrains we carry in stock are:

    What are the top-rated Drivetrains that fit the 1981 Ford Thunderbird?

    Out of 946 reviews by customers, our 1981 Ford Thunderbird Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1981 Ford Thunderbird and their top-rated products:

    What types of Drivetrains do you sell for my 1981 Ford Thunderbird?

    Can I get help with 1981 Ford Thunderbird Drivetrain orders?

    Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Ford Drivetrains and more.

    What is your return policy for Ford Thunderbird Drivetrains?

    Advance Auto Parts keeps returns simple. For new Ford Thunderbird Drivetrains and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.